Wibisono, C. and Mujizat, I. (2018) “Efficiency as Mediator between Artifacts, Values and Cultural Organization Assumptions Employees Working On Effectiveness of Parliament Secretariat (Dprd) Riau Islands Provincial, Indonesia”, International Journal of Engineering & Technology, 7(4.28), pp. 217–224. doi:10.14419/ijet.v7i4.28.22582.